Fix potential overflow in Visualizer effect am: 46dc714d52 am: 8720f85196 am: bad0250dcb am: 2feb9ce748 am: fba2bd1372 am: dddfa37ec9 am: de6acc18bb am: a0f7a7b07e am: dd6ad5eba7 am: be0844b573 am: 0710743c91 am: 53bc7fcee3 am: a0cc369cbc am: c5c4747f83 am: 8d833351bd
am: c6a20f3f7a

Change-Id: I1a9a593bbbfe88ac8d997183eefe6cd7160f3fd5